T
takeda's photo
Takeda Yoichi
From United States 09:45 AM (GMT-04:30)
$45/hr or $100,000/yr

Active 57 minutes ago


Member since Apr 2026

Share this profile:

Senior Full-stack Engineer

Full-Stack Engineer
Available for hire
Years of experience
10+ years
Experience level
Senior
Available from
23 Jun 2026

Hello! My name is Takeda Yoichi. Am a senior Full-stack & Blockchain developer with rich experiences. I have worked with OMG for last 2 years as a smart contract & Back-end developer. During work, I demonstrated strong problem fixing skills and the ability to work in high pressure, many high traffic and challenging working environments. And Im good at AI with Julia. Currently I am a freelancer and I hope to work for your company. My main skill is solidity, Rust, Python and Typescript & Node.js MY PERSONAL QUALITIES: · Fluent English · Fast learner · Highly motivated and able to work on my own or within a team. · Able to cope under pressure and meet the demands of users. · An approachable, friendly, and enthusiastic personality. · Savvy to learn

So why hire me?? I take pride in work I do, and with whom I work with. My traits which differentiates me from other freelancers are.

  1. On time Delivery
  2. Open to change and compatibility
  3. Honest and open communication
  4. Punctuality
  5. Diversity

So let’s connect and build something great

Thank you!

Employment History

Senior Full-stack & Blockchain Engineer at OMG 2022 - 2024
Architected and shipped 0-to-1 customer-facing dashboard using Next.js, React, TypeScript, and Node.js, enabling 12,000+ users to manage their accounts with 97% satisfaction rating ▸ Engineered scalable backend APIs with Node.js and MongoDB on AWS, processing 3.2M requests daily with sub-200ms latency across distributed microservices ▸ Collaborated with product managers and designers to define feature roadmaps, conducting user interviews that informed 8 major product iterations and increased engagement by 41% ▸ Optimized frontend performance by implementing code splitting, lazy loading, and caching strategies in Next.js, reducing initial page load time from 4.1s to 1.3s ▸ Built real-time notification system using WebSockets and Node.js event-driven architecture, delivering instant updates to users and cutting support tickets by one-third ▸ Established TypeScript best practices and component library standards, accelerating team velocity by 35% and reducing production bugs by half ▸ Led technical interviews for 14 engineering candidates and mentored 3 junior engineers on React patterns, Node.js architecture, and cross-functional collaboration ▸ Championed end-to-end ownership model where engineers collaborated directly with business stakeholders, shipping features 60% faster than previous waterfall approach

Education

Bachelor of computer science at Nagoya University 2007 - 2010